Tee Support Blog

Unfortunately intruded by Trojan:JS/Medfos.B but cannot find an antidote? Haven’t realized what damage can Trojan:JS/Medfos.B cause? After reading this post, you can have a clear understanding about Trojan:JS/Medfos.B and get the step-by-step guide to remove it completely and effectively with no risk. If you need online professional tech support, click here to get: 24/7 Online Virus Removal Support.

Trojan:JS/Medfos.B Description

Trojan:JS/Medfos.B is identified as an extremely harmful infection which can infiltrate your computer by making use of your network exploits and drop your system with other vicious threats such as adware, browser hijacker and spyware. Once it successfully gets access to your PC, it endangers your Internet environment by redirecting your web searches to other harmful domain, which carries more threatening viruses and deceives you to purchase some suspicious products. And you will harassed by lots of pop-ups when you get access to internet, and you network speed becomes slow and even crashes. Moreover, it allows remote access to compromise your computer by changing your PC system settings, registry settings and files to capture and steal your personal privacy data without any permission. The worse part is that, it will produce many copies of itself to occupy every corner, and keeps updating itself by changing its files’ names and directories frequently to prevent antivirus detection and add more difficulty to removal, thus even though you have the top antivirus program such as MSE, you will still be failed to get rid of this nasty virus. There is no doubt that this virus needs to be ended at a quick time with manual solution to protect your system and precious data. If you are the victims of Trojan:JS/Medfos.B and still in the dark, please do not hesitant to contact Tee Support agents 24/7 online to remove the virus immediately.

How Would My Computer Get Entangled by Trojan:JS/Medfos.B

Trojan:JS/Medfos.B can infect computers in various ways.
1. Trojan:JS/Medfos.B can be downloaded via malicious drive-by-download scripts from corrupted porn and shareware / freeware websites;
2. Trojan:JS/Medfos.B can be installed through spam email attachments;
3. Trojan:JS/Medfos.B can lurk into target PC via media downloads and social networks;
4. Trojan:JS/Medfos.B can be executed by other threats on system.

How to prevent from being infected by virus like Trojan:JS/Medfos.B?

(1)Be cautious when clicking some link. It can point your browser to download threats or visit malicious web site.
(2) Don’t download unknown “free” software
(3) Avoid opening unknown e-mail attachments
(4) Don’t get access to illegal online contents such as gambling or porn.

Harmful Properties of Trojan:JS/Medfos.B

1. Trojan:JS/Medfos.B is capable of hiding itself at the background and keeps running to consume your PC resources
2. Trojan:JS/Medfos.B comes without any consent and disguises itself in root of the system once installed.
3. Trojan:JS/Medfos.B compromises your system and may introduce additional infections like rogue software
4. Trojan:JS/Medfos.B redirect you to some unsafe websites and advertisements which are not trusted
5. Trojan:JS/Medfos.B significantly slows down your computer performance and sometimes makes system crashed randomly.

Why doesn’t Antivirus Software Help?

The Trojan:JS/Medfos.B virus, as many other viruses, is created with malicious code and is changed daily or more often. That’s why any of the antivirus programs can’t keep up to remove the virus. When victim users tried with various security tools, they did not get rid of the virus, but messed up the computer more. Any unsure method is not recommended to remove the virus, but manual removal has always been the most effective way to get rid of it. Here is a guide for you.

Trojan:JS/Medfos.B Manual Removal Guide

Step 1: Reboot your infected PC > keep pressing F8 key before Windows start-up screen shows > use the arrow keys to select “Safe Mode with Networking” and press Enter.

Step 2: Press Ctrl+Alt+Del keys together and stop Trojan:JS/Medfos.B processes in the Windows Task Manager.

random.exe

Step 3: Detect and remove Trojan:JS/Medfos.B associated files listed below:

%AppData%[trojan name]toolbardtx.ini
%AppData%[trojan name]toolbarguid.dat
%AppData%[trojan name]toolbaruninstallIE.dat
%AppData%[trojan name]toolbaruninstallStatIE.dat
%AppData%[trojan name]toolbarversion.xml

Step 4: Open the Registry Editor, search for and delete these Registries created by Trojan:JS/Medfos.B

(Click Start button> click “Run” > Input “regedit” into the Run box and click ok)

HKEY_LOCAL_MACHINESOFTWAREClasses[trojan name]IEHelper.DNSGuardCurVer
HKEY_LOCAL_MACHINESOFTWAREClasses[trojan name]IEHelper.DNSGuardCLSID
HKEY_LOCAL_MACHINESOFTWAREClasses[trojan name]IEHelper.DNSGuard.1

Video Guide of Manual Removal

NOTE: If you haven’t sufficient expertise in handling virus program files, processes, dll files and registry entries, you will take the risk of messing up your computer and making it crash down finally. If you need online professional tech support, click here to get: 24/7 Online Virus Removal Support.